What was found
BS772 RBL14-18 WL155 AFT CARGO BAY FLOOR STRUCTURE 2 AREAS OF CORROSION / REMOVED CORROSION FROM TEE STRUCTURE LOCATED AT BS 772 RBL 14 - 18. WL 155 AFT CARGO BAY FLOOR STRUCTURE IAW B737 SRM 51-10-02-0G-0 STEP 6. ORIGINAL MATERIAL THICKNESS IS 0.080'; REMAINING 0.075'; LOSS OF 0.005'. TEE STRUCTURE FOUND TO BE OUT OF LIMITS IAW SRM 51-10-02-0G-0 STEP 9. REPLACED OUT OF LIMITS TEE STRUCTURE ON BENCH WITH NEW PART # 146A9401-4 A-TAG # WN4356.